20 Gauge Staple FAQ: 4J Series Size, Material and Applications

What material is used for the 4J Series staple?

The 4J Series is made from galvanized iron. Its production uses Q235 wire rod, black wire, high-zinc and tensile galvanizing, a glued wire band, and cutting to the finished staple form. The galvanized surface provides corrosion resistance for indoor and outdoor applications.

What are the crown and leg sizes?

The crown width is 5.05 ± 0.15 mm. Available leg lengths include 4 mm, 6 mm, 10 mm, 13 mm, 16 mm, 19 mm, and 22 mm, along with other specifications. Select the leg length according to the thickness of the timber or material being fastened. For a furniture line, compare the planned material stack with these lengths before ordering.

What work is this 20 gauge staple used for?

The 4J Series is used for furniture upholstery, securing roofing felt, attaching house wrap, fastening automotive vinyl and trim, framing pictures, assembling bedding, installing molding, and holding other lightweight materials together. It suits buyers who need a fine-wire staple for upholstery or decorative work where a low-profile fastening line is useful.

Can it be used with a pneumatic stapler?

Yes. The 4J Series is specified for pneumatic staplers. Match the staple series and leg length to the tool and the material before production use. Send the stapler model, material stack, required leg lengths, and order quantity when requesting a supply check from SJZ HARKIN TECH CO LTD.